<template>
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <!-- 没有用户名：未登录 -->
          <p v-if="!token">
            <span>请</span>
            <a @click.prevent="$router.push('/login')">登录</a>
            <a class="register" @click.prevent="$router.push('/register')"
              >免费注册</a
            >
          </p>
          <!-- 登录了 -->
          <p v-else>
            <a>{{ userInfo && userInfo.name }}</a>
            <a class="register" @click="onLogout">退出登录</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center/profile">我的订单</router-link>
          <router-link to="/cart">我的购物车</router-link>
          <a href="###" @click.prevent="aiyaya">我的尚品汇</a>
          <a href="###" @click.prevent="aiyaya">尚品汇会员</a>
          <a href="###" @click.prevent="aiyaya">企业采购</a>
          <a href="###" @click.prevent="aiyaya">关注尚品汇</a>
          <a href="###" @click.prevent="aiyaya">合作招商</a>
          <a href="###" @click.prevent="aiyaya">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <!-- router-link组件本省就是一个a标签 -->
        <router-link to="/home" class="logo">
          <img src="~assets/images/header/logo.png" alt="" />
        </router-link>
      </h1>
      <div class="searchArea">
        <form class="searchForm">
          <input
            type="text"
            id="autocomplete"
            class="input-error input-xxlarge"
            v-model="keyword"
            @keyup.enter="goSearch"
          />
          <button
            class="sui-btn btn-xlarge btn-danger"
            type="button"
            @click="goSearch"
          >
            搜索
          </button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
import { mapState, mapMutations } from 'vuex'
export default {
  name: 'Header',
  data () {
    return {
      // 关键字
      keyword: ''
    }
  },
  created () {
    this.$bus.$on('clear-keyword', () => {
      this.keyword = ''
    })
  },
  methods: {
    ...mapMutations('user', ['clearToken', 'setUserInfo']),
    goSearch () {
      // 有query要把query带上,没有query就不带
      if (this.$route.query) {
        const { query } = this.$route
        this.$router.push({
          name: 'Search',
          params: {
            keyword: this.keyword || undefined
          },
          query
        })
      } else {
        this.$route.push({
          name: 'Search',
          params: {
            keyword: this.keyword || undefined
          }
        })
      }
    },
    // 退出登录
    async onLogout () {
      try {
        await this.$confirm('确定要退出吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
        // 清空token
        this.clearToken()
        // 清空用户信息
        this.setUserInfo({
          userInfo: null
        })
        this.$message.success('退出成功')
        this.$router.replace('/login')
      } catch (error) {
        if (error === 'cancel') {
        } else {
          this.$message.error(error.message)
        }
      }
    },
    aiyaya () {
      this.$message.success('树叶的一生,只是为了归根吗?')
    }
  },
  mounted () {},
  computed: {
    ...mapState('user', ['userInfo', 'token'])
  }
}
</script>

<style scoped lang="less">
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }
      }
    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>
